Home/Ontario/Markham/Insulation

Insulation in and around Markham

Compare 50 insulation businesses in and around Markham, Ontario. Read reviews, get quotes, and hire the right professional for your needs.

22Listed

Listings are gathered from public sources. Listings our team has checked against the business’s own information are marked “Reviewed listing”. How it works →

Updated October 2026

Auto RepairDentistsCorporate LawAccountingCriminal LawIT Support
SortRecommendedHighest ratedMost reviewedFilter4.5★+

50 Insulation Providers in Markham

Need help choosing?

Describe the job in your own words and our AI concierge will hand you a short list.

Ask the concierge
Nº 9 OF 50
IE

Imperial Energy

Listed on Experts.ca

Furnace Repair · Located in Markham

Website
4.8128 Google reviews · details
Furnace Repair
HVAC
Insulation
Nº 12 OF 50
FA

Free Attic

Listed on Experts.ca

Insulation · Located in Toronto · 9 km

Website
5.0184 Google reviews · details
Insulation
Nº 13 OF 50
ES

Exalted Services

Listed on Experts.ca

AC Repair · Located in Markham

Website
4.9101 Google reviews · details
AC Repair
Furnace Repair
Insulation
Nº 14 OF 50
XC

X&H Construction

Listed on Experts.ca

Home Renovation · Located in Markham

Website
4.963 Google reviews · details
Home Renovation
Insulation
Nº 18 OF 50
WE

Weaver Eco Home

Listed on Experts.ca

Insulation · Located in Toronto · 8 km

Website
4.6246 Google reviews · details
Insulation
Nº 25 OF 50
R

Rosedale

Listed on Experts.ca

Insulation · Located in Markham

Website
5.016 Google reviews · details
Insulation
Nº 30 OF 50
F

FOAMIT

Listed on Experts.ca

Insulation · Located in Toronto · 32 km

Website
5.0248 Google reviews · details
Insulation
Nº 31 OF 50
I

Insulapack

Listed on Experts.ca

Insulation · Located in Markham

Website
4.611 Google reviews · details
Insulation
Nº 32 OF 50
SF

Spray Foam Kings

Listed on Experts.ca

Insulation · Located in Toronto · 19 km

Website
5.061 Google reviews · details
Insulation
Nº 36 OF 50
EI

Eco-therma Inc.

Listed on Experts.ca

Insulation · Located in Toronto · 24 km

Website
5.070 Google reviews · details
Insulation
Nº 39 OF 50
E

EcoStar

Listed on Experts.ca

Insulation · Located in Toronto · 16 km

Website
5.037 Google reviews · details
Insulation
Load More Results

Frequently asked questions

How do I choose a insulation provider in Markham?
Compare insulation on Experts.ca by reading customer reviews and confirming licensing where applicable. Look for transparent pricing, clear communication, and providers experienced with the kind of work you need done.
How are the insulation on Experts.ca reviewed?
Listings in our Markham directory are gathered from public sources. A listing our team has checked against the business's own information is marked “Reviewed listing”; not all listings have been reviewed yet. Credential verification is a separate, stricter tier — businesses that complete it carry a Verified badge. See our review process for details.
How much does it cost to hire a insulation provider in Markham?
Pricing varies by job complexity, materials, and provider. Most listings offer free quotes — request two or three to compare. Experts.ca does not set prices and is not a party to any work agreements between you and a listed business.

Statewide

Other Insulation across Ontario

Outside Markham? Every insulation provider listing in Ontario, sorted by activity.

Didn't find what you need?

Try a more specific search or explore other insulation services

AI
Markham, ON

Business Owner?

Get your insulation business listed on Experts.ca and reach more customers in Markham. Join local professionals growing their business on Experts.ca.

List Your BusinessBrowse All Categories
List Business